1380151 has 6 divisors (see below), whose sum is σ = 1431456. Its totient is φ = 1329300.

The previous prime is 1380149. The next prime is 1380157. The reversal of 1380151 is 1510831.

It is not a de Polignac number, because 1380151 - 2¹ = 1380149 is a prime.

1380151 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6436 + ... + 6646.

It is an arithmetic number, because the mean of its divisors is an integer number (238576).

2^1380151 is an apocalyptic number.

1380151 is a deficient number, since it is larger than the sum of its proper divisors (51305).

1380151 is an frugal number, since it uses more digits than its factorization.

1380151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1380151 is about 1174.7982805571. The cubic root of 1380151 is about 111.3376887233.

Adding to 1380151 its reverse (1510831), we get a palindrome (2890982).

The spelling of 1380151 in words is "one million, three hundred eighty thousand, one hundred fifty-one".